<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- /课程详情 开始 -->
    <section class="container">
      <section class="path-wrap txtOf hLh30">
        <a href="#" title class="c-999 fsize14">首页</a>
        \
        <a href="#" title class="c-999 fsize14">{{ courseWebVo.subjectLevelOne }}</a>
        \
        <span class="c-333 fsize14">{{ courseWebVo.subjectLevelTwo }}</span>
      </section>
      <div>
        <article class="c-v-pic-wrap" style="height: 357px;">
          <section class="p-h-video-box" id="videoPlay">
            <img height="357px" :src="courseWebVo.cover" :alt="courseWebVo.title" class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{ courseWebVo.title }}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b class="c-yellow" style="font-size:24px;">￥{{ courseWebVo.price }}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲： {{ courseWebVo.teacherName }}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#">收藏</a>
              </span>
            </section>
            <section v-if="isbuy || Number(courseWebVo.price) === 0" class="c-attr-mt">
              <a href="#" title="立即观看" class="comm-btn c-btn-3">立即观看</a>
            </section>
            <section v-else class="c-attr-mt">
              <a @click="createOrders()" href="#" title="立即购买" class="comm-btn c-btn-3">立即购买</a>
            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.buyCount }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.lessonNum }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.viewCount }}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear"></div>
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                  <a name="c-i" id="kcdg" href="javascript:void(0)" @click="dg()" class="current"
                     title="课程详情">课程详情</a>
                  <a name="c-i" id="kcpl" href="javascript:void(0)" @click="pl()" class="current"
                     title="课程评论">课程评论</a>
                </section>
              </div>


              <article id="dg" class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <div v-html="courseWebVo.description">{{ courseWebVo.description }}</div>
                    </section>
                  </div>
                </div>
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu id="lh-menu" class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 文件目录 -->
                          <li class="lh-menu-stair" v-for="chapter in chapterVideoList" :key="chapter.id">
                            <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10"></em>{{ chapter.title }}
                            </a>

                            <ol class="lh-menu-ol" style="display: block;">
                              <li class="lh-menu-second ml30" v-for="video in chapter.children" :key="video.id">
                                <a :href="'/player/'+video.videoSourceId" target="_blank">
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{ video.title }}
                                </a>
                              </li>

                            </ol>

                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
                <!-- /课程大纲 -->
              </article>

              <article id="pl" class="ml10 mr10 pt20">
                <div v-for="comment in comments" :key="comment.id">
                  <div>
                    <p>
                      <ul>
                        <li style="float: left"><img :src="comment.avatar" class="img" alt=""></li>
                        <li>{{comment.nickname}}</li>
                        <li style="font-size: 12px;color: #999;">2021-05-10 10:00</li>
                      </ul>
                    </p>
                  </div>
                  <div>
                    <p style="background-color: #f5f5f5;padding: 10px;margin-top: 10px;">{{ comment.content }}</p>
                  </div>
                  <br>
                </div>
              </article>

              <!--              style="text-indent: 20px;vertical-align: middle;"-->

            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a title href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto;">
                  <li>
                    <div class="u-face">
                      <a href="#">
                        <img :src="courseWebVo.teacherAvatar" width="50" height="50" alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a class="c-333 fsize16 fl" href="#">{{ courseWebVo.teacherName }}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{ courseWebVo.teacherIntro }}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear"></div>
      </div>
    </section>
    <!-- /课程详情 结束 -->
  </div>
</template>

<script>
import courseApi from '@/api/course'
import ordersApi from '@/api/orders'
import commentApi from '@/api/comment';

export default {
  asyncData({params, error}) {
    return {
      courseId: params.id,
    }
  },
  data() {
    return {
      courseWebVo: {},
      chapterVideoList: [],
      isbuy: false,

      //评论相关数据
      isMine: false,//是否为当前用户是评论的作者
      racount: [],
      rating: null,//可以是 'good'（好评）、'average'（中评） 或者 'bad'（差评）。
      newReply: {   // 存储新回复的内容
        commentId: '',      //被回复的会员id
        memberId: '',          //回复者会员ID
        nickname: '',          //回复者昵称
        avatar: '',            //回复者头像
        content: '',        //回复内容
      },
      newComment: {    //发送评论
        courseId: '',   //课程id
        teacherId: '',   //讲师id
        memberId: '',  //会员id
        content: '',    //评论内容
        nickname: '',//会员昵称
        avatar: '', //会员头像
        rating: '',  //可以是 'good'（好评）、'average'（中评） 或者 'bad'（差评）。
      },
      comments: [],
      activeCommentId: null, // 存储当前处于回复状态的评论ID
    }
  },
  created() {//在页面渲染之前执行
    this.initCourseInfo()
    this.getCount()
    this.getFs()

    this.newReply.nickname = 'Li'  //回复者昵称
    this.newReply.avatar = "https://tse1-mm.cn.bing.net/th/id/OIP-C.ymprRS_Aaqd4yqqMWq1e6QHaHY?rs=1&pid=ImgDetMain"//回复者头像
    this.newReply.memberId = "1106833021442510849"  //当前会员id
    this.fetchComments()
  },
  methods: {
    //查询课程详情信息
    initCourseInfo() {
      courseApi.getCourseInfo(this.courseId)
        .then(response => {
          this.courseWebVo = response.data.data.courseWebVo
          this.chapterVideoList = response.data.data.chapterVideoList
          // this.isbuy=response.data.data.isBuy
        })
    },
    //生成订单
    createOrders() {
      ordersApi.createOrders(this.courseId)
        .then(response => {
          //获取返回订单号
          //生成订单之后，跳转订单显示页面
          this.$router.push({path: '/orders/' + response.data.data})
        })
    },

    dg() {
      document.getElementById("dg").style.display = "block";
      document.getElementById("pl").style.display = "none";
      document.getElementById("kcdg").style.color = "#68cb9b";
      document.getElementById("kcpl").style.color = "#68cb9b";
      document.getElementById("kcdg").style.borderBottom = "2px solid #68cb9b";
      document.getElementById("kcpl").style.borderBottom = "0px solid #68cb9b";
    },
    pl() {
      document.getElementById("dg").style.display = "none";
      document.getElementById("pl").style.display = "block";
      document.getElementById("kcdg").style.color = "#68cb9b";
      document.getElementById("kcpl").style.color = "#68cb9b";
      document.getElementById("kcdg").style.borderBottom = "0px solid #68cb9b";
      document.getElementById("kcpl").style.borderBottom = "2px solid #68cb9b";
    },

    //评论相关方法
    //获取评论数
    getCount() {
      commentApi.getRating().then(res => {
        this.racount = res.data.data.list
        console.log("racount======")
        console.log(res.data.data.list)
      })
    },
    getFs() {
      commentApi.getone('1106833021442510849').then(res => {
        if (res.data.code == 20000) {
          this.newComment.courseId = res.data.data.courseId
          this.newComment.teacherId = res.data.data.teacherId
          this.newComment.memberId = res.data.data.memberId
          this.newComment.nickname = res.data.data.nickname
          this.newComment.avatar = res.data.data.avatar
          console.log("this.newComment=====")
          console.log(this.newComment)
        }
      })
    },
    fetchComments() {
      commentApi.getList(this.rating).then(response => {
        if (response.data.code === 20000) {
          this.comments = response.data.data.records
          console.log("this.comments=====")
          console.log(this.comments)
        }
      })
    },
  }
};
</script>
<style>
.img {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  border: 1px solid #ccc;
  vertical-align: bottom;
  margin-right: 10px;
}

.img + span {
  font-size: 18px;
}

#pl {
  display: none;
}

#kcpl {
  color: #68cb9b;
  border-bottom: 0px solid #68cb9b;
}

#kcdg {
  color: #68cb9b;
  border-bottom: 2px solid #68cb9b;
}

#c-i-tabTitle a {
  transition: 0s;
  -webkit-transition: 0s;
}
</style>
